Home / 157,522,554.87-217,375,427.35-86,956,649.44

Finding the Fourth Proportional to 157,522,554.87, 217,375,427.35 and 86,956,649.44

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Solution

The fourth proportional to 157,522,554.87, 217,375,427.35 and 86,956,649.44 is: 119,997,030.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,522,554.87 : 217,375,427.35 = 86,956,649.44 : x
  2. Step 2: Convert to fraction form
    157,522,554.87/217,375,427.35 = 86,956,649.44/x
  3. Step 3: Cross multiply
    157,522,554.87x = 217,375,427.35 × 86,956,649.44
  4. Step 4: Simplify right side
    157,522,554.87x = 18,902,238,832,916,972
  5. Step 5: Solve for x
    x = 18,902,238,832,916,972/157,522,554.87
  6. Step 6: Final answer
    x = 119,997,030.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.